Caleffi 501502A automatic air vent automatically purges trapped air from hydronic HVAC systems to maintain consistent circulation and reduce noise and corrosion. Features 3/4" NPT female connection. OEM replacement for NA548 and NA549 series systems.
Specifications
- Product Type:
- Automatic Air Vent
- Application:
- Residential/Commercial
- System Type:
- Boiler, Air Handler
- Installation Type:
- OEM Replacement
- Inlet Size:
- 3/4" NPT
- Connection Type:
- NPT
- Connection / Joint:
- NPT